Fabrication of high-power hollow-core fiber end-cap

Yulong Cui; Xinyu Ye; Wei Huang; Zhiyue Zhou; Zilun Chen; Zefeng Wang

doi:10.1117/12.2598564

6 June 2021 Fabrication of high-power hollow-core fiber end-cap

Yulong Cui, Xinyu Ye, Wei Huang, Zhiyue Zhou, Zilun Chen, Zefeng Wang

Proceedings Volume 11849, Fourth International Symposium on High Power Laser Science and Engineering (HPLSE 2021); 118490F (2021) https://doi.org/10.1117/12.2598564
Event: Fourth International Symposium on High Power Laser Science and Engineering (HPLSE 2021), 2021, Suzhou, China

Abstract

Hollow-core fibers (HCFs) provide an ideal environment for the interaction of light and gases, which gives birth to a novel kind of lasers, namely fiber gas lasers (FGLs). Although there is a rapid development of FGLs in the past years, highly efficient and stable coupling of the pump light is still a key limit for their applications in the future. Here, we propose and fabricate the HCF end-cap for the first time. The measured results show that the HCF end-cap can bear several hundreds of watt laser power, and the coupling efficiency is around 70%. This work opens new opportunity for the development of high-power FGLs.

Citation Download Citation

Yulong Cui, Xinyu Ye, Wei Huang, Zhiyue Zhou, Zilun Chen, and Zefeng Wang "Fabrication of high-power hollow-core fiber end-cap", Proc. SPIE 11849, Fourth International Symposium on High Power Laser Science and Engineering (HPLSE 2021), 118490F (6 June 2021); https://doi.org/10.1117/12.2598564

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